Portion of a floor steam cleaning device



FIG. 1 is a perspective view of a floor cleaning device embodying the invention;

FIG. 2 is a left side view of the floor cleaning device of FIG. 1;

FIG. 3 is a right side view of the floor cleaning device of FIG. 1;

FIG. 4 is a front view of the floor cleaning device of FIG. 1;

FIG. 5 is a rear view of the floor cleaning device of FIG. 1; and,

FIG. 6 is a top view of the floor cleaning device of FIG. 1.

The elements shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM We claim the ornamental design for a portion of a floor steam cleaning device, as shown and described. 